Exercise putty is used for hand therapy and to strengthen hand grasp. Scented Theraputty® hand exercise material makes hand therapy more pleasant for youngsters. Using scented putty is a fun way for children to develop grip strength and stay attentive and participate. red (cherry) is soft, green (apple) is medium. CanDo® Theraputty® hand exercise material is the standard in resistive hand exercise material. Each color-coded putty has a different consistency ranging from xx-soft for strengthening the weakest grasp to extra-firm for developing a stronger grip. Available in convenient easy-to-open plastic containers. The containers may differ from the image shown.